#!/usr/bin/env rspec
require 'spec_helper'

require 'puppet/network/handler/fileserver'

describe Puppet::Network::Handler::FileServer do
  include PuppetSpec::Files

  def create_file(filename)
    File.open(filename, "w") { |f| f.puts filename}
  end

  def create_nested_file
    dirname = File.join(@basedir, "nested_dir")
    Dir.mkdir(dirname)
    file = File.join(dirname, "nested_dir_file")
    create_file(file)
  end

  before do
    @basedir = tmpdir("test_network_handler")
    @file = File.join(@basedir, "aFile")
    @link = File.join(@basedir, "aLink")
    create_file(@file)
    @mount = Puppet::Network::Handler::FileServer::Mount.new("some_path", @basedir)
  end

  describe "when parsing the fileserver.conf" do
    it "should create a valid mount when a valid conf is read" do
      config_file = tmpfile('fileserver.conf')
      mountdir = tmpdir('mountdir')

      conf_text = <<-HEREDOC
        [mymount]
          path #{mountdir}
          allow anyone.com
          deny nobody.com
      HEREDOC
      File.open(config_file, 'w') { |f| f.write conf_text }

      fs = Puppet::Network::Handler::FileServer.new(:Config => config_file) 
      mounts = fs.instance_variable_get(:@mounts)
      mount = mounts["mymount"]
      mount.path == mountdir
      mount.instance_variable_get(:@declarations).map {|d| d.pattern}.should =~ [["com", "nobody"], ["com", "anyone"]]
    end

    ['path', 'allow', 'deny'].each do |arg|
      it "should error if config file doesn't specify a mount for #{arg} argument" do
        config_file = tmpfile('fileserver.conf')
        File.open(config_file, 'w') { |f| f.puts "#{arg} 127.0.0.1/24" }

        expect { 
          Puppet::Network::Handler::FileServer.new(:Config => config_file) 
        }.should raise_error(Puppet::Network::Handler::FileServerError, "No mount specified for argument #{arg} 127.0.0.1/24")
      end
    end
  end

  it "should list a single directory" do
    @mount.list("/", false, false).should == [["/", "directory"]]
  end

  it "should list a file within a directory when given the file path" do
    @mount.list("/aFile", false, "false").should == [["/", "file"]]
  end

  it "should list a file within a directory when given the file path with recursion" do
    @mount.list("/aFile", true, "false").should == [["/", "file"]]
  end

  it "should return nil for a non-existent path" do
    @mount.list("/no_such_file", false, false).should be(nil)
  end

  it "should list a symbolic link as a file when given the link path", :unless => Puppet.features.microsoft_windows? do
    File.symlink(@file, @link)
    @mount.list("/aLink", false, false).should == [["/", "file"]]
  end

  it "should return nil for a dangling symbolic link when given the link path", :unless => Puppet.features.microsoft_windows? do
    File.symlink("/some/where", @link)
    @mount.list("/aLink", false, false).should be(nil)
  end

  it "should list directory contents of a flat directory structure when asked to recurse" do
    list = @mount.list("/", true, false)
    list.should include(["/aFile", "file"])
    list.should include(["/", "directory"])
    list.should have(2).items
  end

  it "should list the contents of a nested directory" do
    create_nested_file
    list = @mount.list("/", true, false)
    list.sort.should == [   ["/aFile", "file"], ["/", "directory"] , ["/nested_dir", "directory"], ["/nested_dir/nested_dir_file", "file"]].sort
  end

  it "should list the contents of a directory ignoring files that match" do
    create_nested_file
    list = @mount.list("/", true, "*File")
    list.sort.should == [   ["/", "directory"] , ["/nested_dir", "directory"], ["/nested_dir/nested_dir_file", "file"]].sort
  end

  it "should list the contents of a directory ignoring directories that match" do
    create_nested_file
    list = @mount.list("/", true, "*nested_dir")
    list.sort.should == [   ["/aFile", "file"], ["/", "directory"] ].sort
  end

  it "should list the contents of a directory ignoring all ignore patterns that match" do
    create_nested_file
    list = @mount.list("/", true, ["*File" , "*nested_dir"])
    list.should == [ ["/", "directory"] ]
  end

  it "should list the directory when recursing to a depth of zero" do
    create_nested_file
    list = @mount.list("/", 0, false)
    list.should == [["/", "directory"]]
  end

  it "should list the base directory and files and nested directory to a depth of one" do
    create_nested_file
    list = @mount.list("/", 1, false)
    list.sort.should == [ ["/aFile", "file"], ["/nested_dir", "directory"], ["/", "directory"] ].sort
  end

  it "should list the base directory and files and nested directory to a depth of two" do
    create_nested_file
    list = @mount.list("/", 2, false)
    list.sort.should == [   ["/aFile", "file"], ["/", "directory"] , ["/nested_dir", "directory"], ["/nested_dir/nested_dir_file", "file"]].sort
  end

  it "should list the base directory and files and nested directory to a depth greater than the directory structure" do
    create_nested_file
    list = @mount.list("/", 42, false)
    list.sort.should == [   ["/aFile", "file"], ["/", "directory"] , ["/nested_dir", "directory"], ["/nested_dir/nested_dir_file", "file"]].sort
  end

  it "should list a valid symbolic link as a file when recursing base dir", :unless => Puppet.features.microsoft_windows? do
    File.symlink(@file, @link)
    list = @mount.list("/", true, false)
    list.sort.should == [ ["/", "directory"], ["/aFile", "file"], ["/aLink", "file"] ].sort
  end

  it "should not error when a dangling symlink is present", :unless => Puppet.features.microsoft_windows? do
    File.symlink("/some/where", @link)
    lambda { @mount.list("/", true, false) }.should_not raise_error
  end

  it "should return the directory contents of valid entries when a dangling symlink is present", :unless => Puppet.features.microsoft_windows? do
    File.symlink("/some/where", @link)
    list = @mount.list("/", true, false)
    list.sort.should == [ ["/aFile", "file"], ["/", "directory"] ].sort
  end

  describe Puppet::Network::Handler::FileServer::PluginMount, :'fails_on_ruby_1.9.2' => true do
    PLUGINS = Puppet::Network::Handler::FileServer::PLUGINS

    # create a module plugin hierarchy
    def create_plugin(mod, plugin)
      dirname = File.join(@basedir, mod)
      Dir.mkdir(dirname)
      plugins = File.join(dirname, PLUGINS)
      Dir.mkdir(plugins)
      facter = File.join(plugins, plugin)
      Dir.mkdir(facter)
      create_file(File.join(facter,"fact.rb"))
    end

    before :each do
      @modules = ["one","two"]
      @modules.each { |m| create_plugin(m, "facter") }

      Puppet::Node::Environment.new.stubs(:modulepath).returns @basedir

      @mount = Puppet::Network::Handler::FileServer::PluginMount.new(PLUGINS)
      @mount.allow("*")
    end

    it "should list a file within a directory when given the file path with recursion" do
      @mount.list("facter/fact.rb", true, "false").should == [["/", "file"], ["/", "file"]]
    end

    it "should return a merged view of all plugins for all modules" do
      list = @mount.list("facter",true,false)
      list.should == [["/", "directory"], ["/fact.rb", "file"], ["/", "directory"], ["/fact.rb", "file"]]
    end

    it "should not fail for inexistant plugins type" do
      @mount.list("puppet/parser",true,false)
    end

  end

  after do
    FileUtils.rm_rf(@basedir)
  end

end